This paper formalizes the price and asset allocation mechanism of multi-unit double auctions in Xetra, the electronic equity trading system operated by the German stock exchange. The trading principles are embedded into the classical theory of quantity rationing. The properties of Xetra auctions...

We analyse order placement strategies in a limit order market, using data on the order flow from the Stockholm Stock Exchange. Traders submitting market or limit orders trade off the order price against both the execution probability and the winner’s curse risk associated with different order...